Overview
The DRV8353SRTAR is a highly-integrated 3-phase smart gate driver produced by Texas Instruments. This device is designed for high-performance and low-power operations, making it ideal for various motor control applications. The DRV8353SRTAR features a smart gate drive (SGD) architecture that minimizes the need for external components typically required for MOSFET slew rate control and protection circuits. It supports field-oriented control (FOC), sinusoidal current control, and trapezoidal current control of three-phase brushless DC (BLDC) motors.
Key Specifications
| Parameter | Specification |
|---|---|
| Operating Voltage Range | 6 to 95 V |
| Peak Source Current | 50 mA to 1 A |
| Peak Sink Current | 100 mA to 2 A |
| Integrated Buck Regulator | 2.5 to 75 V, 350 mA output capability |
| Current Shunt Amplifiers | Adjustable gain (5, 10, 20, 40 V/V), bidirectional or unidirectional support |
| PWM Modes | 6x, 3x, 1x, and independent PWM modes |
| Communication Interface | SPI or hardware interface available |
| Low-Power Sleep Mode | 20 µA at VVM = 48 V |
| Package | WQFN-40 (6x6 mm) |
Key Features
- Smart Gate Drive Architecture: Optimizes dead time to prevent shoot-through conditions and reduces electromagnetic interference (EMI) through adjustable slew rate control.
- Integrated Buck Regulator: Provides a stable voltage supply with a 2.5 to 75 V, 350 mA output capability.
- Triple Low-Side Current Shunt Amplifiers: With adjustable gain (5, 10, 20, 40 V/V) and bidirectional or unidirectional support.
- Multiple PWM Modes: Supports 6x, 3x, 1x, and independent PWM modes, including 120° sensored operation.
- Integrated Protection Features: Includes VM undervoltage lockout (UVLO), gate drive supply undervoltage (GDUV), MOSFET VDS overcurrent protection (OCP), MOSFET shoot-through prevention, gate driver fault (GDF), thermal warning and shutdown (OTW/OTSD), and fault condition indicator (nFAULT).
- Low-Power Sleep Mode: Reduces power consumption to 20 µA at VVM = 48 V.
- High-Speed Communication Interface: SPI or hardware interface available for efficient data transfer and processing.
- Adjustable Peak Currents: Allows for adjustable peak currents to optimize motor performance and reduce energy consumption.
- EMI Performance Control: Features adjustable slew rate control to minimize electromagnetic interference.
Applications
The DRV8353SRTAR is ideal for various high-performance and low-power motor control applications, including:
- Robotics and Automation: Suitable for robotic systems and automated machinery.
- Automotive: Used in automotive systems such as electric vehicles (E-Vehicles), e-bikes, and e-scooters.
- Industrial: Applied in industrial machinery, factory automation, and textile machines.
- Consumer Electronics: Found in power tools, garden tools, lawn mowers, drones, and RC toys.
- BLDC Motors: Supports field-oriented control (FOC), sinusoidal current control, and trapezoidal current control of three-phase BLDC motors.
Q & A
- What is the operating voltage range of the DRV8353SRTAR?
The operating voltage range is 6 to 95 V.
- What are the peak source and sink currents of the DRV8353SRTAR?
The peak source current is 50 mA to 1 A, and the peak sink current is 100 mA to 2 A.
- Does the DRV8353SRTAR have integrated current shunt amplifiers?
Yes, it has optional triple low-side current shunt amplifiers with adjustable gain (5, 10, 20, 40 V/V).
- What communication interfaces are available on the DRV8353SRTAR?
SPI or hardware interface is available for communication.
- What are the integrated protection features of the DRV8353SRTAR?
It includes VM undervoltage lockout (UVLO), gate drive supply undervoltage (GDUV), MOSFET VDS overcurrent protection (OCP), MOSFET shoot-through prevention, gate driver fault (GDF), thermal warning and shutdown (OTW/OTSD), and fault condition indicator (nFAULT).
- What is the power consumption in low-power sleep mode?
The power consumption is 20 µA at VVM = 48 V.
- What are the supported PWM modes?
The device supports 6x, 3x, 1x, and independent PWM modes, including 120° sensored operation.
- Does the DRV8353SRTAR have adjustable slew rate control?
Yes, it features adjustable slew rate control for EMI performance.
- What is the package type and size of the DRV8353SRTAR?
The package is WQFN-40 with a size of 6x6 mm.
- What are some typical applications of the DRV8353SRTAR?
It is used in robotics, automation, automotive, industrial, and consumer electronics applications.
